I was wondering who here has built smtp inbound or outbound relay servers for there exchange infrastructure? If you've built these relays how have they performed and what version of windows did you ...

This list is a companion piece to the Secure Web server installation portion of SearchSecurity.com's Intrusion Defense School lesson on Web attack prevention and defense. Check out the companion ...

Subject does most of the work here, but I'll expand. [edit] Maybe if I had just RTFM'd harder I would've found my answers... I think this will help, but leaving the post up in case anybody else has ...

Microsoft has shared updated requirements for SMTP relay via its Exchange Online platform. The new updated requirement is not applicable yet and is set to roll out towards the end of the year.

We're having problems with open relay on Microsoft Exchange Server 2000. We tried to shut down SMTP, clean out queues, turn off relaying, etc., but nothing worked. For a quick fix, we set up a ...

Why would you need an Xtra SPF when sending via a domain email address? You should use the domain email address SPF? Or do they not have one so you use an unrelated sending server, i.e, Xtra? If you ...